Spack v0.18.0

spack.yaml

@@ -7,7 +7,7 @@ spack:
     - cnpy@master
     - dawn@3_91a
     - dawncut@1_54a
-    - dd4hep@1.20.1 +geant4 -assimp +hepmc3 +ipo +lcio
+    - dd4hep@1.20.1 +ddg4 -ddcad +hepmc3 +ipo +lcio
     - edm4hep@0.4.1 cxxstd=17 -ipo
     - eigen@3.4.0
     - emacs@27.2 toolkit=athena